US Bridges

I-80 Wbl over Wyo 374

Fair

Sweetwater County, Wyoming · Evanston - Green River · Structure no. AOJ

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
7,085
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 Wbl over Wyo 374 is a concrete continuous tee beam carrying I-80 Wbl over Wyo 374 in Sweetwater County, Wyoming. It was built in 1967, so it is 58 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,085 vehicles a day, roughly 56% of them trucks, projected to reach 9,919 by 2043. The structure is 92 ft (28 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-80 Wbl
CrossesWyo 374
LocationEvanston - Green River
RouteInterstate 80
CountySweetwater County
StateWyoming
Coordinates41.50958, -109.98604
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length92 ft (28 m)
Longest span37 ft (11.3 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,085 (2024)
Projected traffic9,919 by 2043
Trucks56%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-80 Wbl over Wyo 374 built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-80 Wbl over Wyo 374 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does I-80 Wbl over Wyo 374 carry?

About 7,085 vehicles per day (2024 count), of which roughly 56% are trucks.

How long is I-80 Wbl over Wyo 374?

The structure is 92 ft (28 m) long with a longest span of 37 ft (11.3 m) and a deck 41 ft wide.

Who owns I-80 Wbl over Wyo 374?

It is owned by the State Highway Agency.